JPH0541692B2 - - Google Patents
Info
- Publication number
- JPH0541692B2 JPH0541692B2 JP1283073A JP28307389A JPH0541692B2 JP H0541692 B2 JPH0541692 B2 JP H0541692B2 JP 1283073 A JP1283073 A JP 1283073A JP 28307389 A JP28307389 A JP 28307389A JP H0541692 B2 JPH0541692 B2 JP H0541692B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- corrosion resistance
- phosphoric acid
- stainless steel
- corrosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005260 corrosion Methods 0.000 claims description 46
- 230000007797 corrosion Effects 0.000 claims description 46
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 36
- 230000003628 erosive effect Effects 0.000 claims description 20
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 13
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000010440 gypsum Substances 0.000 claims description 8
- 229910052602 gypsum Inorganic materials 0.000 claims description 8
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
- 239000011651 chromium Substances 0.000 description 10
- 239000000956 alloy Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- QKCQJEFEQXXXTO-UHFFFAOYSA-N chromium;methane Chemical compound C.C.[Cr].[Cr].[Cr] QKCQJEFEQXXXTO-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28307389A JPH03146641A (ja) | 1989-11-01 | 1989-11-01 | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28307389A JPH03146641A (ja) | 1989-11-01 | 1989-11-01 | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03146641A JPH03146641A (ja) | 1991-06-21 |
| JPH0541692B2 true JPH0541692B2 (de) | 1993-06-24 |
Family
ID=17660858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28307389A Granted JPH03146641A (ja) | 1989-11-01 | 1989-11-01 | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03146641A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE501321C2 (sv) * | 1993-06-21 | 1995-01-16 | Sandvik Ab | Ferrit-austenitiskt rostfritt stål samt användning av stålet |
| JP3155431B2 (ja) * | 1994-10-26 | 2001-04-09 | 株式会社安来製作所 | ２相ステンレス鋳造部材およびその製造方法 |
| SE519589C2 (sv) * | 1998-02-18 | 2003-03-18 | Sandvik Ab | Användning av höghållfast rostfritt stål i apparatur för framställning av kaustiksoda |
| SE531593C2 (sv) * | 2007-10-26 | 2009-06-02 | Sandvik Intellectual Property | Värmeväxlare för fosforsyramiljö |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021136A (de) * | 1973-06-26 | 1975-03-06 | ||
| JPS52153821A (en) * | 1976-06-17 | 1977-12-21 | Nippon Yakin Kogyo Co Ltd | High strength austenitic ferritic stainles steel |
| JPS57131347A (en) * | 1981-02-09 | 1982-08-14 | Sumitomo Metal Ind Ltd | Two-phase stainless steel for oil well pipe with superior corrosion resistance |
| JPS60165362A (ja) * | 1984-02-07 | 1985-08-28 | Kubota Ltd | 高耐食性高耐力二相ステンレス鋼 |
| JPS6389618A (ja) * | 1986-10-02 | 1988-04-20 | Nkk Corp | 高耐食性２相ステンレス鋼の製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0788556B2 (ja) * | 1987-07-28 | 1995-09-27 | ニダック株式会社 | 高耐力・高耐食性２相ステンレス鋳鋼 |
-
1989
- 1989-11-01 JP JP28307389A patent/JPH03146641A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021136A (de) * | 1973-06-26 | 1975-03-06 | ||
| JPS52153821A (en) * | 1976-06-17 | 1977-12-21 | Nippon Yakin Kogyo Co Ltd | High strength austenitic ferritic stainles steel |
| JPS57131347A (en) * | 1981-02-09 | 1982-08-14 | Sumitomo Metal Ind Ltd | Two-phase stainless steel for oil well pipe with superior corrosion resistance |
| JPS60165362A (ja) * | 1984-02-07 | 1985-08-28 | Kubota Ltd | 高耐食性高耐力二相ステンレス鋼 |
| JPS6389618A (ja) * | 1986-10-02 | 1988-04-20 | Nkk Corp | 高耐食性２相ステンレス鋼の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03146641A (ja) | 1991-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090624 Year of fee payment: 16 |
|
| LAPS | Cancellation because of no payment of annual fees |